local-trusted
- Can read from Local files, communicate to any server and access any SWF file.

“The sandbox defines a limited space in which a Adobe Flash movie running within the Adobe Flash Player is allowed to operate. Its primary purpose is to ensure the integrity and security of the client’s machine, and as well as security of any Adobe Flash movies running in the player.”

Cross Domain Permissions: A Flash movie playing on a web browser is not allowed access that is outside the exact domain from which it originated. This is defined in the cross-domain policy file crossdomain.xml. Policy files are used by Flash to permit Flash to load data from servers other than its native domain. If a SWF file wishes to communicate with remote servers it must be granted explicit permission: